212420418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 540518400

約数和(自身を除く): 328097982

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 29, 38, 42, 57, 58, 67, 87, 114, 133, 134, 137, 174, 201, 203, 266, 274, 399, 402, 406, 411, 469, 551, 609, 798, 822, 938, 959, 1102, 1218, 1273, 1407, 1653, 1918, 1943, 2546, 2603, 2814, 2877, 3306, 3819, 3857, 3886, 3973, 5206, 5754, 5829, 7638, 7714, 7809, 7946, 8911, 9179, 11571, 11658, 11919, 13601, 15618, 17822, 18221, 18358, 23142, 23838, 26733, 27202, 27537, 27811, 36442, 36917, 40803, 53466, 54663, 55074, 55622, 64253, 73834, 75487, 81606, 83433, 109326, 110751, 128506, 150974, 166866, 174401, 192759, 221502, 226461, 258419, 266191, 348802, 385518, 452922, 516838, 523203, 528409, 532382, 775257, 798573, 1046406, 1056818, 1220807, 1550514, 1585227, 1597146, 1863337, 2441614, 3170454, 3662421, 3726674, 5057629, 5590011, 7324842, 10115258, 11180022, 15172887, 30345774, 35403403, 70806806, 106210209, 212420418]

約数ペア:

[(1, 212420418), (2, 106210209), (3, 70806806), (6, 35403403), (7, 30345774), (14, 15172887), (19, 11180022), (21, 10115258), (29, 7324842), (38, 5590011), (42, 5057629), (57, 3726674), (58, 3662421), (67, 3170454), (87, 2441614), (114, 1863337), (133, 1597146), (134, 1585227), (137, 1550514), (174, 1220807), (201, 1056818), (203, 1046406), (266, 798573), (274, 775257), (399, 532382), (402, 528409), (406, 523203), (411, 516838), (469, 452922), (551, 385518), (609, 348802), (798, 266191), (822, 258419), (938, 226461), (959, 221502), (1102, 192759), (1218, 174401), (1273, 166866), (1407, 150974), (1653, 128506), (1918, 110751), (1943, 109326), (2546, 83433), (2603, 81606), (2814, 75487), (2877, 73834), (3306, 64253), (3819, 55622), (3857, 55074), (3886, 54663), (3973, 53466), (5206, 40803), (5754, 36917), (5829, 36442), (7638, 27811), (7714, 27537), (7809, 27202), (7946, 26733), (8911, 23838), (9179, 23142), (11571, 18358), (11658, 18221), (11919, 17822), (13601, 15618)]